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 /*
     SPDX-FileCopyrightText: 2003-2006 Cies Breijs <cies AT kde DOT nl>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 
 #ifndef _INTERPRETER_H_
 #define _INTERPRETER_H_
 
 #include <QStringList>
 
 #include "errormsg.h"
 #include "executer.h"
 #include "parser.h"
 #include "tokenizer.h"
 #include "translator.h"
 #include "treenode.h"
 
 
 /**
  * @short Step-wise interpreter for KTurtle code.
  *
  * This class handles the interpreting of KTurtle code.
  * It does so in a few steps:
  * 1. @TODO 
  *
  * @author Cies Breijs
  */
 class Interpreter : public QObject
 {
     Q_OBJECT
     Q_CLASSINFO("D-Bus Interface", "org.kde.kturtle.Interpreter")
 
     public:
         /**
          * Default Constructor
          */
         Interpreter(QObject* parent, bool testing);
 
         /**
          * Default Destructor
          */
         ~Interpreter() override;
 
         enum State {
             Uninitialized, // unusable
             Initialized,   // ready to interpret something
             Parsing,       // parsing the code string to a tree
             Executing,     // executing the tree
             Finished,      // successfully finished executing
             Aborted        // unsuccessfully finished
         };
 
         void        abort() { m_state = Aborted; }
 
         Executer*   getExecuter() { return executer; }
         ErrorList*  getErrorList() { return errorList; }
 
     public Q_SLOTS:
         void        interpret();
         int         state() { return m_state; }
         void        initialize(const QString& inputString);  // resets
         bool        encounteredErrors() { return errorList->count() > 0; }
         QStringList getErrorStrings() { return errorList->asStringList(); }
 
     Q_SIGNALS:
         void parsing();
         void executing();
         void finished();
         
         void treeUpdated(TreeNode* rootNode);
 
     private:
         int            m_state;
 
         Translator    *translator;
         Tokenizer     *tokenizer;
         Parser        *parser;
         Executer      *executer;
 
         ErrorList     *errorList;
 
         bool           m_testing;
 };
 
 #endif  // _INTERPRETER_H_